Measurements
To fit bust
34, 36, 38, 40 ins
86.5, 91.5, 96.5, 101.5 cm
Length from back neck
21¼, 21½, 21¾, 22 ins
54, 54.5, 55.5, 56 cm

Each pattern has a different set of recommended yarns. The following are from the Clipper Ballerina version.

Materials
Double Knitting
Clipper Crepe, Woodstock and Super Crimp Nylon
Main shade 8, 9, 10, 11 balls
Contrast 1, 1, 1, 1 ball
Clipper Rosewood, Ballerina Revelation and Ballerina Tricel Nylon
Main shade 9, 10, 11, 13 balls
Contrast 1, 1, 1, 1 ball
Stitch holders.